monitor status-promise: fix url of result file

stack/monitor/buildout.hash.cfg

@@ -15,4 +15,4 @@
 # not need these here).
 [monitor2-template]
 filename = instance-monitor.cfg.jinja2.in
-md5sum = 1bfd846dbfefbefde42b117676f82e1e
+md5sum = 8ec30221c7560cab83ab879f9e9ff1f5

stack/monitor/instance-monitor.cfg.jinja2.in

@@ -374,7 +374,7 @@ input = inline:#!/bin/sh
   if [ -f "${:error-log-file}" ]; then
     ln -sf ${:error-log-file} $BUILDOUT_LOG
     >&2 echo "Buildout failed to process partition ${slap-connection:partition-id}"
-    >&2 echo "More info can be found here: ${monitor-base:base-url}/log/.slapgrid-${slap-connection:partition-id}-error.log"
+    >&2 echo "More info can be found here: ${monitor-base:base-url}/log/slapgrid-${slap-connection:partition-id}-error.log"
     exit 1
   fi
 output = ${monitor-directory:promises}/buildout-${slap-connection:partition-id}-status